单词	锿钍定年法
释义	锿钍定年法ionium-thorium dating method
随便看	three phase generators three-phase half-wave double y rectifier three-phase induction motor three-phase induction regulator three-phase inverter three-phase junction three-phase kilowatthour meter three-phase line three-phase load three-phase machine three-phase magnetic amplifier three-phase model three phase motor three-phase motor three-phase network three phase neutral reactor three-phase oil immersed transformer three-phase operation three-phase potential transformer three-phase power three-phase power transmission three-phase pulse-width-modulated three-phase pulse-width-modulated (pwm) three-phase pulse-width-modulated {=pwm} three-phase reactor